U.S. advisor Bolton arrives in Ukraine for talks

John Bolton, U.S. President Donald Trump's national security adviser, traveled to Kyiv on Tuesday, the U.S. Embassy said, the first visit to Ukraine by a top U.S. official since the election of President Volodymyr Zelenskiy.

Zelenskiy, a television sitcom star, was elected in a landslide in May and strengthened his power base at a parliamentary election last month.

"Ambassador Bolton is here to underscore U.S. support for Ukraine's sovereignty, territorial integrity, and Euro-Atlantic path. He looks forward to productive meetings with Ukrainian officials," the U.S. Embassy in Kyiv wrote on Twitter.

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